Ok guys starting a thread to record sizes for all the bits and pieces (Bolts, Bearings, Seatclamps etc) that are easily obtainable on the net !
Feel free to add anything you feel would be helpful to the newbie just starting out on their burner adventure
First few added
Bolts For SR Stems - Allen Cap Bolts M8 x 25mm
Mk1&2 Headset Bearings - 1" (MAKE SURE YOU SPECIFY FOR BMX AS OLD ROADBIKE HEADSETS ARE ALSO 1" THREAD BUT WITH A DIFFERENT CUP SIZE)
1 Piece Crank Pedal Size - 1/2"
3 Piece Crank Pedal Size - 9/16"
Bottom Bracket - 24tpi
Mk1 Seatpost diameter 28.6mm.........
Clamp 31.8
Mk2 Seatpost diameter 22.2mm.........
Clamp 25.4
Front Tyre 20 x 2.125"
Back Tyre 20 x 1.75" (Exc Aero Pro & Team AP Both 1.75")
Chain Size 1/2" x 1/8"
Aero pro front fleckie CAT EYE RR-390
Aero pro front fleckie bracket CAT EYE B-10
Aero pro rear fleckie CAT EYE RR-390zw
Aero pro rear fleckie bracket CAT EYE B-1
(Please note the rear brackets come in different degree's and a few different instances have proved to be correct spec)